Dear Dalyoung,

Have you tried 
\startsimplecolumns

\stopsimplecolumns
 instead of the columnset mechanism?

In your example I put the above commands and I got the attached PDF: is this what you want to obtain?

Best regards: Otared



> On 9 Feb 2024, at 02:22, Jeong Dal via ntg-context <ntg-context@ntg.nl> wrote:
> 
> Dear all,
> 
> I have a little problem to use “columns” in the following example.
> 
> If I use “\startcolumnset”, then I have the following problems:
> 	1. The figures is aligned left even though I use \startplacefigure[].
> 	2. In the second column, the first item located at the end of the page.
> However, \vfill works, so I managed the items evenly spaced vertically.
> 
> If I use “\startcolumns”, then I have the following problems:
> 	1. \vfill doesn’t works, but \blank[] works. So, it isn’t easy to locate the items evenly spaced vertically.
> 
> Here are sample code and its outputs of two cases for comparison.
> 
> Any suggestions are welcomed.
> 
> Tomorrow is the New Years day in Lunar calendar.
> Happy new year, again.
> 
> Best regards,
> 
> Dalyoung
> 
> %%%%%%%
> \startuseMPgraphic{mark}
> path p;
> p := unitsquare scaled 3cm;
> draw p;
> draw (point 0 of p)--(point 2 of p);
> draw (point 1 of p)--(point 3 of p);
> \stopuseMPgraphic
> \startuseMPgraphic{verticalrule3}
>    draw rightboundary OverlayBox shifted (1mm,0); %if CurrentColumn = 1: shifted(-2mm,0) fi ;
>    draw leftboundary OverlayBox shifted (-1mm,0); %if CurrentColumn = 2: shifted(2mm,0) fi ;  
>    draw bottomboundary OverlayBox leftenlarged 1mm rightenlarged 1mm;
>    draw topboundary OverlayBox leftenlarged 1mm rightenlarged 1mm;
> \stopuseMPgraphic
> 
> \defineoverlay
>   [verticalrule]
>   [\useMPgraphic{verticalrule3}]
> 
> \setuppagenumbering[state=stop]
> \setupexternalfigures[location={local,defalut}]
> \definecolumnset
>   [quiz]
>   [n=2,background=verticalrule]
> 
> \setupbodyfont[bonum, rm, 11pt]
> 
> \starttext 
> 
> %\startcolumns[n=2,background=verticalrule]
> \startcolumnset[quiz]
> 
> \startitemize[n]
>   \item Solve the following linear equations.
> 
>   \startitemize[r]
>     \item equation
> %    \blank[3.5cm]
>     \vfill
>     \item equation
> %    \blank[3.5cm]
>     \vfill
>     \item equation
>     \blank[3.5cm]
>     \item equation
>     \blank[3.5cm]
>     \item equation
>     \blank[3.5cm]
>   \stopitemize
>   \hrule
> \column
>   \item Draw the graph of the following linear function.
>     \startitemize[r]
>     \item $2x +3y = 6$
> 
>     \startplacefigure[location={here,none},]
>     \useMPgraphic{mark}
>     \stopplacefigure
>   
>     \item $y = 2x - 1$
>   
>     \startplacefigure[location={here,none}]
>     \useMPgraphic{mark}
>     \stopplacefigure
>     \stopitemize
> 
>   \item Find the formula of the line 1:
>   \vfill
>   \item Find the formula of the line 2:
>   \vfill
> \stopitemize
> \stopcolumnset
> 
> \stoptext
> %%%%%%%%%%
> 
> 
> <testColumns.pdf>
> <testColumnset.pdf>
> 
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> ___________________________________________________________________________________

Otared Kavian
e-mail: otared@gmail.com
Phone: +33 6 88 26 70 95